Thanks Ralph and John, I've put those ideas into practice (manually) and
everything seems OK. Neil, I already had a new group for all (i.e. 2!)
users but it is not their primary group. Firstly, do I have to edit
/etc/passwd to change users' primary group? Secondly, would that change
and a new standard umask mean that all files are writeable to all users?
I now need to create the cron job. I'm not sure how to do it in a
situation like this where I need to run the find command with sudo. I
can't do su, presumably because root doesn't have a password.
Also, since I have an all-users group I guess I could change the find from:
find /home/shared -type f ! -perm -22 -ls -exec chmod go=u {} +
to:
find /home/shared -type f ! -perm -22 -ls -exec chmod g=u {} +
(I deleted an "o"!).
John C-C, thanks for the info on setuid bit on the directories. I
thought setuid was just for executables.
Regards,
John
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